Hawk Mountain Sanctuary, designated in 1965, is known for having a great vantage point for observing the migration of raptors and is an important place to understand the geology of the Appalachian Mountains.

Mount Shasta is a volcano located at the southern end of the Cascade Range. It is not connected to any nearby mountain and dominates the northern California landscape. It rises abruptly and stands nearly 10,000 ft above the surrounding terrain.

Nine agencies participate in the management of this National Natural Landmark of 24 acres. It is one of 36 in California and was designated in 1976. It is part of the Pacific Flyway and more than 250 bird species have been recorded here.

Corkscrew Swamp Sanctuary contains a wide variety of habitats, including pond cypress, wet prairie, pineland, and the largest remaining stand of virgin bald cypress in North America. It supports the largest wood stork rookery in the United States.

One of the most beautiful, natural places highlighted with vernacular structures can be found inside of all placed, the city limits of Philadelphia. Cascading waters, WPA structures, visitors galore & unlimited natural scenery makes this a must see.

Occurring in a glacial depression, Orono Bog is a classic, northern sphagnum bog and illustrates zonation of flora from lowland and bog to upland forest. It is uniquely accessible to the public and for teaching and research purposes.